1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <gpio.h>
static const struct mb_cfg baseboard_memcfg = {
.type = MEM_TYPE_LP4X,
/* DQ byte map */
.lpx_dq_map = {
.ddr0 = {
.dq0 = { 0, 1, 2, 3, 4, 5, 6, 7, },
.dq1 = { 12, 13, 14, 15, 11, 10, 9, 8, },
},
.ddr1 = {
.dq0 = { 7, 2, 6, 3, 5, 1, 4, 0, },
.dq1 = { 10, 8, 9, 11, 15, 12, 14, 13, },
},
.ddr2 = {
.dq0 = { 3, 2, 1, 0, 4, 5, 6, 7, },
.dq1 = { 12, 13, 14, 15, 11, 10, 9, 8, },
},
.ddr3 = {
.dq0 = { 7, 0, 1, 6, 5, 4, 2, 3, },
.dq1 = { 15, 14, 8, 9, 10, 12, 11, 13, },
},
.ddr4 = {
.dq0 = { 3, 2, 1, 0, 4, 5, 6, 7, },
.dq1 = { 12, 13, 14, 15, 11, 10, 9, 8, },
},
.ddr5 = {
.dq0 = { 3, 4, 2, 5, 0, 6, 1, 7, },
.dq1 = { 13, 12, 11, 10, 14, 15, 9, 8, },
},
.ddr6 = {
.dq0 = { 3, 2, 1, 0, 7, 4, 5, 6, },
.dq1 = { 15, 14, 13, 12, 8, 9, 10, 11, },
},
.ddr7 = {
.dq0 = { 3, 4, 2, 5, 1, 0, 7, 6, },
.dq1 = { 15, 14, 9, 8, 12, 10, 11, 13, },
},
},
/* DQS CPU<>DRAM map */
.lpx_dqs_map = {
.ddr0 = { .dqs0 = 0, .dqs1 = 1 },
.ddr1 = { .dqs0 = 0, .dqs1 = 1 },
.ddr2 = { .dqs0 = 0, .dqs1 = 1 },
.ddr3 = { .dqs0 = 0, .dqs1 = 1 },
.ddr4 = { .dqs0 = 0, .dqs1 = 1 },
.ddr5 = { .dqs0 = 0, .dqs1 = 1 },
.ddr6 = { .dqs0 = 0, .dqs1 = 1 },
.ddr7 = { .dqs0 = 0, .dqs1 = 1 },
},
.ect = 1, /* Enable Early Command Training */
};
const struct mb_cfg *__weak variant_memory_params(void)
{
return &baseboard_memcfg;
}
int __weak variant_memory_sku(void)
{
/*
* Memory configuration board straps
* GPIO_MEM_CONFIG_0 GPP_E11
* GPIO_MEM_CONFIG_1 GPP_E2
* GPIO_MEM_CONFIG_2 GPP_E1
* GPIO_MEM_CONFIG_3 GPP_E12
*/
gpio_t spd_gpios[] = {
GPP_E11,
GPP_E2,
GPP_E1,
GPP_E12,
};
return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
}
bool __weak variant_is_half_populated(void)
{
/* GPIO_MEM_CH_SEL GPP_E13 */
return gpio_get(GPP_E13);
}
|
